a cell phone discarded in the united states can cause a person processing it in china, india, or africa to suffer negative consequences if it is not handled properly. true or false
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Category: statistics | Author: Selma Yafa
a cell phone plan costs $200 to start. then there is a $50 charge each month. is there a proportional relationship between time and the cost of the ce
a cell phone plan costs $200 to start. then there is a $50 charge each month. write an equation relating the cost, y, and then number of months, x.
a cell phone plan has a basic charge of $50 a month. the plan includes 600 free minutes and charges 10 cents for each additional minute of usage. writ